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<div class="title">Ogre_glTF_modelConverter.cpp</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="preprocessor">#include &quot;Ogre_glTF_modelConverter.hpp&quot;</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="preprocessor">#include &quot;Ogre_glTF_common.hpp&quot;</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="preprocessor">#include &lt;OgreMesh2.h&gt;</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="preprocessor">#include &lt;OgreMeshManager2.h&gt;</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="preprocessor">#include &lt;OgreSubMesh2.h&gt;</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="preprocessor">#include &quot;Ogre_glTF_internal_utils.hpp&quot;</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;</div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="keyword">using namespace </span><a class="code" href="namespace_ogre__gl_t_f.html">Ogre_glTF</a>;</div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;</div><div class="line"><a name="l00010"></a><span class="lineno"><a class="line" href="struct_ogre__gl_t_f_1_1vertex_buffer_part.html#a98ef963b3dfb316b2f833f913aaa2fd3">   10</a></span>&#160;<span class="keywordtype">size_t</span> <a class="code" href="struct_ogre__gl_t_f_1_1vertex_buffer_part.html#a98ef963b3dfb316b2f833f913aaa2fd3">vertexBufferPart::getPartStride</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="struct_ogre__gl_t_f_1_1vertex_buffer_part.html#a981d73ff6baa760bdc1d62fe1699204e">buffer</a>-&gt;elementSize() * <a class="code" href="struct_ogre__gl_t_f_1_1vertex_buffer_part.html#a35944dc7e5c6373ca77971f51108c039">perVertex</a>; }</div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;</div><div class="line"><a name="l00012"></a><span class="lineno"><a class="line" href="class_ogre__gl_t_f_1_1model_converter.html#ac68f5a0170dfce085252327664db3b4e">   12</a></span>&#160;<a class="code" href="class_ogre__gl_t_f_1_1model_converter.html#ac68f5a0170dfce085252327664db3b4e">modelConverter::modelConverter</a>(tinygltf::Model&amp; input) : model { input } {}</div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;</div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;Ogre::VertexBufferPackedVec modelConverter::constructVertexBuffer(<span class="keyword">const</span> std::vector&lt;vertexBufferPart&gt;&amp; parts)<span class="keyword"> const</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="keyword"></span>{</div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;    Ogre::VertexElement2Vec vertexElements;</div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;</div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;    <span class="keywordtype">size_t</span> stride { 0 }, strideInElements { 0 };</div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;    <span class="keywordtype">size_t</span> vertexCount { 0 }, previousVertexCount { 0 };</div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;</div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;    <span class="keywordflow">for</span>(<span class="keyword">const</span> <span class="keyword">auto</span>&amp; part : parts)</div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;    {</div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;        vertexElements.emplace_back(part.type, part.semantic);</div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;        strideInElements += part.perVertex;</div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;        stride += part.buffer-&gt;elementSize() * part.perVertex;</div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;        vertexCount = part.vertexCount;</div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;</div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;        <span class="comment">//Sanity check</span></div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;        <span class="keywordflow">if</span>(previousVertexCount != 0)</div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;        {</div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;            <span class="keywordflow">if</span>(vertexCount != previousVertexCount) <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">&quot;Part of vertex buffer for the same primitive have different vertex counts!&quot;</span>);</div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;        }</div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;        <span class="keywordflow">else</span></div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;            previousVertexCount = vertexCount;</div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;    }</div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;    OgreLog(<span class="stringliteral">&quot;There will be &quot;</span> + std::to_string(vertexCount) + <span class="stringliteral">&quot; vertices with a stride of &quot;</span> + std::to_string(stride) + <span class="stringliteral">&quot; bytes&quot;</span>);</div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;    <a class="code" href="class_ogre__gl_t_f_1_1geometry_buffer.html">geometryBuffer&lt;float&gt;</a> finalBuffer(vertexCount * strideInElements);</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;    <span class="keywordtype">size_t</span> bytesWrittenInCurrentStride { 0 };</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;    <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> vertexIndex = 0; vertexIndex &lt; vertexCount; ++vertexIndex)</div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;    {</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;        bytesWrittenInCurrentStride = 0;</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;        <span class="keywordflow">for</span>(<span class="keyword">const</span> <span class="keyword">auto</span>&amp; part : parts)</div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;        {</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;            memcpy(finalBuffer.dataAddress() + (bytesWrittenInCurrentStride + vertexIndex * stride),</div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;                   (part.buffer-&gt;dataAddress() + (vertexIndex * part.getPartStride())),</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;                   part.getPartStride());</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;            bytesWrittenInCurrentStride += part.getPartStride();</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;        }</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    }</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    Ogre::VertexBufferPackedVec vec;</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;    <span class="keyword">auto</span> vertexBuffer = getVaoManager()-&gt;createVertexBuffer(vertexElements, vertexCount, Ogre::BT_IMMUTABLE, finalBuffer.data(), <span class="keyword">false</span>);</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    vec.push_back(vertexBuffer);</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;    <span class="keywordflow">return</span> vec;</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;}</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="comment">//TODO make this method make the mesh id. Enumerate the meshes in the file before blindlessly loading the first one</span></div><div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="class_ogre__gl_t_f_1_1model_converter.html#aa1b3645f13f01f0cbc2c5a301579806e">   61</a></span>&#160;Ogre::MeshPtr <a class="code" href="class_ogre__gl_t_f_1_1model_converter.html#aa1b3645f13f01f0cbc2c5a301579806e">modelConverter::getOgreMesh</a>()</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;{</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;    OgreLog(<span class="stringliteral">&quot;Default scene&quot;</span> + std::to_string(model.defaultScene));</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;    <span class="keyword">const</span> <span class="keyword">auto</span> mainMeshIndex = (model.defaultScene != 0 ? model.nodes[model.scenes[model.defaultScene].nodes.front()].mesh : 0);</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;    <span class="keyword">const</span> <span class="keyword">auto</span>&amp; mesh         = model.meshes[mainMeshIndex];</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;    Ogre::Aabb boundingBox;</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;    OgreLog(<span class="stringliteral">&quot;Found mesh &quot;</span> + mesh.name + <span class="stringliteral">&quot; in glTF file&quot;</span>);</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;    <span class="keyword">auto</span> OgreMesh = Ogre::MeshManager::getSingleton().getByName(mesh.name);</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    <span class="keywordflow">if</span>(OgreMesh)</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;    {</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;        OgreLog(<span class="stringliteral">&quot;Found mesh &quot;</span> + mesh.name + <span class="stringliteral">&quot; in Ogre::MeshManager(v2)&quot;</span>);</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;        <span class="keywordflow">return</span> OgreMesh;</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;    }</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;    OgreLog(<span class="stringliteral">&quot;Loading mesh from glTF file&quot;</span>);</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;    OgreLog(<span class="stringliteral">&quot;mesh has &quot;</span> + std::to_string(mesh.primitives.size()) + <span class="stringliteral">&quot; primitives&quot;</span>);</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;    OgreMesh = Ogre::MeshManager::getSingleton().createManual(mesh.name, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;    OgreLog(<span class="stringliteral">&quot;Created mesh on v2 MeshManager&quot;</span>);</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    <span class="keywordflow">for</span>(<span class="keyword">const</span> <span class="keyword">auto</span>&amp; primitive : mesh.primitives)</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;    {</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;        <span class="keyword">auto</span> subMesh = OgreMesh-&gt;createSubMesh();</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;        OgreLog(<span class="stringliteral">&quot;Created one submesh&quot;</span>);</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;        <span class="keyword">const</span> <span class="keyword">auto</span> indexBuffer = extractIndexBuffer(primitive.indices);</div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;        std::vector&lt;vertexBufferPart&gt; parts;</div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;        <span class="comment">//OgreLog(&quot;\tprimitive has : &quot; + std::to_string(primitive.attributes.size()) + &quot; atributes&quot;);</span></div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;        <span class="keywordflow">for</span>(<span class="keyword">const</span> <span class="keyword">auto</span>&amp; atribute : primitive.attributes)</div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;        {</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;            <span class="comment">//OgreLog(&quot;\t &quot; + atribute.first);</span></div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;            parts.push_back(std::move(extractVertexBuffer(atribute, boundingBox)));</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;        }</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;</div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;        <span class="comment">//Get (if they exists) the blend weights and bone index parts of our vertex array object content</span></div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;        <span class="keyword">const</span> <span class="keyword">auto</span> blendIndicesIt = std::find_if(std::begin(parts), std::end(parts), [](<span class="keyword">const</span> <a class="code" href="struct_ogre__gl_t_f_1_1vertex_buffer_part.html">vertexBufferPart</a>&amp; <a class="code" href="struct_ogre__gl_t_f_1_1vertex_buffer_part.html">vertexBufferPart</a>) {</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;            <span class="keywordflow">return</span> (<a class="code" href="struct_ogre__gl_t_f_1_1vertex_buffer_part.html">vertexBufferPart</a>.<a class="code" href="struct_ogre__gl_t_f_1_1vertex_buffer_part.html#a2dc9b040e759fa3523a2abd19c4f9aed">semantic</a> == Ogre::VertexElementSemantic::VES_BLEND_INDICES);</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;        });</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;        <span class="keyword">const</span> <span class="keyword">auto</span> blendWeightsIt = std::find_if(std::begin(parts), std::end(parts), [](<span class="keyword">const</span> <a class="code" href="struct_ogre__gl_t_f_1_1vertex_buffer_part.html">vertexBufferPart</a>&amp; <a class="code" href="struct_ogre__gl_t_f_1_1vertex_buffer_part.html">vertexBufferPart</a>) {</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;            <span class="keywordflow">return</span> (<a class="code" href="struct_ogre__gl_t_f_1_1vertex_buffer_part.html">vertexBufferPart</a>.<a class="code" href="struct_ogre__gl_t_f_1_1vertex_buffer_part.html#a2dc9b040e759fa3523a2abd19c4f9aed">semantic</a> == Ogre::VertexElementSemantic::VES_BLEND_WEIGHTS);</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;        });</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;        <span class="keyword">const</span> <span class="keyword">auto</span> vertexBuffers = constructVertexBuffer(parts);</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;        <span class="keyword">auto</span> vao                 = getVaoManager()-&gt;createVertexArrayObject(vertexBuffers, indexBuffer, [&amp;]() -&gt; Ogre::OperationType {</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;            <span class="keywordflow">switch</span>(primitive.mode)</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;            {</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;                case TINYGLTF_MODE_LINE: OgreLog(<span class="stringliteral">&quot;Line List&quot;</span>); return Ogre::OT_LINE_LIST;</div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;                case TINYGLTF_MODE_LINE_LOOP: OgreLog(<span class="stringliteral">&quot;Line Loop&quot;</span>); return Ogre::OT_LINE_STRIP;</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;                case TINYGLTF_MODE_POINTS: OgreLog(<span class="stringliteral">&quot;Points&quot;</span>); return Ogre::OT_POINT_LIST;</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;                case TINYGLTF_MODE_TRIANGLES: OgreLog(<span class="stringliteral">&quot;Triangle List&quot;</span>); return Ogre::OT_TRIANGLE_LIST;</div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;                case TINYGLTF_MODE_TRIANGLE_FAN: OgreLog(<span class="stringliteral">&quot;Trinagle Fan&quot;</span>); return Ogre::OT_TRIANGLE_FAN;</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;                case TINYGLTF_MODE_TRIANGLE_STRIP: OgreLog(<span class="stringliteral">&quot;Triangle Strip&quot;</span>); return Ogre::OT_TRIANGLE_STRIP;</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;                default: OgreLog(<span class="stringliteral">&quot;Unknown&quot;</span>); throw std::runtime_error(<span class="stringliteral">&quot;Can&#39;t understand primitive mode!&quot;</span>);</div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;            };</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;        }());</div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;</div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;        subMesh-&gt;mVao[Ogre::VpNormal].push_back(vao);</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;        subMesh-&gt;mVao[Ogre::VpShadow].push_back(vao);</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;        <span class="keywordflow">if</span>(blendIndicesIt != std::end(parts) &amp;&amp; blendWeightsIt != std::end(parts))</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;        {</div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;            <span class="comment">//subMesh-&gt;_buildBoneAssignmentsFromVertexData();</span></div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;            <span class="comment">//Get the vertexBufferParts from the two iterators</span></div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;            <span class="comment">//OgreLog(&quot;The vertex buffer contains blend weights and indices information!&quot;);</span></div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;            <a class="code" href="struct_ogre__gl_t_f_1_1vertex_buffer_part.html">vertexBufferPart</a>&amp; blendIndices = *blendIndicesIt;</div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;            <a class="code" href="struct_ogre__gl_t_f_1_1vertex_buffer_part.html">vertexBufferPart</a>&amp; blendWeights = *blendWeightsIt;</div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;</div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;            <span class="comment">//Debug sanity check, both should be equals</span></div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;            <span class="comment">//OgreLog(&quot;Vertex count blendIndex : &quot; + std::to_string(blendIndices.vertexCount));</span></div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;            <span class="comment">//OgreLog(&quot;Vertex count blendWeight: &quot; + std::to_string(blendWeights.vertexCount));</span></div><div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;            <span class="comment">//OgreLog(&quot;Vertex element count blendIndex : &quot; + std::to_string(blendIndices.perVertex));</span></div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;            <span class="comment">//OgreLog(&quot;Vertex element count blendWeight: &quot; + std::to_string(blendWeights.perVertex));</span></div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;</div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;            <span class="comment">//Allocate 2 small arrays to store the bone idexes. (They should be of lenght &quot;4&quot;)</span></div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;            std::vector&lt;Ogre::ushort&gt; vertexBoneIndex(blendIndices.<a class="code" href="struct_ogre__gl_t_f_1_1vertex_buffer_part.html#a35944dc7e5c6373ca77971f51108c039">perVertex</a>);</div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;            std::vector&lt;Ogre::Real&gt; vertexBlend(blendWeights.<a class="code" href="struct_ogre__gl_t_f_1_1vertex_buffer_part.html#a35944dc7e5c6373ca77971f51108c039">perVertex</a>);</div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;</div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;            <span class="comment">//Add the attahcments for each bones</span></div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;            <span class="keywordflow">for</span>(Ogre::uint32 vertexIndex = 0; vertexIndex &lt; blendIndices.<a class="code" href="struct_ogre__gl_t_f_1_1vertex_buffer_part.html#a281c887ec55e59d05b6f9ed003495947">vertexCount</a>; ++vertexIndex)</div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;            {</div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;                <span class="comment">//Fetch the for bone indexes from the buffer</span></div><div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;                memcpy(vertexBoneIndex.data(),</div><div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;                       blendIndices.<a class="code" href="struct_ogre__gl_t_f_1_1vertex_buffer_part.html#a981d73ff6baa760bdc1d62fe1699204e">buffer</a>-&gt;dataAddress() + (blendIndices.<a class="code" href="struct_ogre__gl_t_f_1_1vertex_buffer_part.html#a98ef963b3dfb316b2f833f913aaa2fd3">getPartStride</a>() * vertexIndex),</div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;                       blendIndices.<a class="code" href="struct_ogre__gl_t_f_1_1vertex_buffer_part.html#a35944dc7e5c6373ca77971f51108c039">perVertex</a> * <span class="keyword">sizeof</span>(Ogre::ushort));</div><div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;</div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;                <span class="comment">//Fetch the for weights from the buffer</span></div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;                memcpy(vertexBlend.data(),</div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;                       blendWeights.<a class="code" href="struct_ogre__gl_t_f_1_1vertex_buffer_part.html#a981d73ff6baa760bdc1d62fe1699204e">buffer</a>-&gt;dataAddress() + (blendWeights.<a class="code" href="struct_ogre__gl_t_f_1_1vertex_buffer_part.html#a98ef963b3dfb316b2f833f913aaa2fd3">getPartStride</a>() * vertexIndex),</div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;                       blendWeights.<a class="code" href="struct_ogre__gl_t_f_1_1vertex_buffer_part.html#a35944dc7e5c6373ca77971f51108c039">perVertex</a> * <span class="keyword">sizeof</span>(Ogre::Real));</div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;</div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;                <span class="comment">//Add the bone assignments to the submesh</span></div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;                <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> i = 0; i &lt; blendIndices.<a class="code" href="struct_ogre__gl_t_f_1_1vertex_buffer_part.html#a35944dc7e5c6373ca77971f51108c039">perVertex</a>; ++i)</div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;                {</div><div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;                    <span class="keyword">auto</span> vba = Ogre::VertexBoneAssignment(vertexIndex, vertexBoneIndex[i], vertexBlend[i]);</div><div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;</div><div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;                    <span class="comment">//OgreLog(&quot;VertexBoneAssignment: &quot; + std::to_string(i) + &quot; over &quot; + std::to_string(blendIndices.perVertex));</span></div><div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;                    <span class="comment">//OgreLog(std::to_string(vba.vertexIndex));</span></div><div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;                    <span class="comment">//OgreLog(std::to_string(vba.boneIndex));</span></div><div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;                    <span class="comment">//OgreLog(std::to_string(vba.weight));</span></div><div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;</div><div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;                    subMesh-&gt;addBoneAssignment(vba);</div><div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;                }</div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;            }</div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;</div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;            <span class="comment">//subMesh-&gt;_buildBoneIndexMap();</span></div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;            subMesh-&gt;_compileBoneAssignments();</div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;        }</div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;    }</div><div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;</div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;    OgreMesh-&gt;_setBounds(boundingBox, <span class="keyword">true</span>);</div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;    OgreMesh-&gt;_setBoundingSphereRadius(boundingBox.getRadius());</div><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;    <span class="comment">//OgreLog(&quot;Setting &#39;bounding sphere radius&#39; from bounds : &quot; + std::to_string(boundingBox.getRadius()));</span></div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;</div><div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;    <span class="keywordflow">return</span> OgreMesh;</div><div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;}</div><div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;</div><div class="line"><a name="l00179"></a><span class="lineno"><a class="line" href="class_ogre__gl_t_f_1_1model_converter.html#a36b8c17a4cb9659f18b4d1694d890d8e">  179</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_ogre__gl_t_f_1_1model_converter.html#a36b8c17a4cb9659f18b4d1694d890d8e">modelConverter::debugDump</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;<span class="keyword"></span>{</div><div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;    std::stringstream gltfContentDump;</div><div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;    gltfContentDump &lt;&lt; <span class="stringliteral">&quot;This glTF model has:\n&quot;</span></div><div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;                    &lt;&lt; model.accessors.size() &lt;&lt; <span class="stringliteral">&quot; accessors\n&quot;</span></div><div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;                    &lt;&lt; model.animations.size() &lt;&lt; <span class="stringliteral">&quot; animations\n&quot;</span></div><div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;                    &lt;&lt; model.buffers.size() &lt;&lt; <span class="stringliteral">&quot; buffers\n&quot;</span></div><div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;                    &lt;&lt; model.bufferViews.size() &lt;&lt; <span class="stringliteral">&quot; bufferViews\n&quot;</span></div><div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;                    &lt;&lt; model.materials.size() &lt;&lt; <span class="stringliteral">&quot; materials\n&quot;</span></div><div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;                    &lt;&lt; model.meshes.size() &lt;&lt; <span class="stringliteral">&quot; meshes\n&quot;</span></div><div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;                    &lt;&lt; model.nodes.size() &lt;&lt; <span class="stringliteral">&quot; nodes\n&quot;</span></div><div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;                    &lt;&lt; model.textures.size() &lt;&lt; <span class="stringliteral">&quot; textures\n&quot;</span></div><div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;                    &lt;&lt; model.images.size() &lt;&lt; <span class="stringliteral">&quot; images\n&quot;</span></div><div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;                    &lt;&lt; model.skins.size() &lt;&lt; <span class="stringliteral">&quot; skins\n&quot;</span></div><div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;                    &lt;&lt; model.samplers.size() &lt;&lt; <span class="stringliteral">&quot; samplers\n&quot;</span></div><div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;                    &lt;&lt; model.cameras.size() &lt;&lt; <span class="stringliteral">&quot; cameras\n&quot;</span></div><div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;                    &lt;&lt; model.scenes.size() &lt;&lt; <span class="stringliteral">&quot; scenes\n&quot;</span></div><div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;                    &lt;&lt; model.lights.size() &lt;&lt; <span class="stringliteral">&quot; lights\n&quot;</span>;</div><div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;</div><div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;    OgreLog(gltfContentDump);</div><div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;}</div><div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;</div><div class="line"><a name="l00201"></a><span class="lineno"><a class="line" href="class_ogre__gl_t_f_1_1model_converter.html#a76a7c5e01bd80b3b84a1cce175f57040">  201</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="class_ogre__gl_t_f_1_1model_converter.html#a76a7c5e01bd80b3b84a1cce175f57040">modelConverter::hasSkins</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> !model.skins.empty(); }</div><div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;</div><div class="line"><a name="l00203"></a><span class="lineno"><a class="line" href="class_ogre__gl_t_f_1_1model_converter.html#ae2a3346605a5c88a5b1299bf936505ac">  203</a></span>&#160;<a class="code" href="struct_ogre__gl_t_f_1_1_model_information_1_1_model_transform.html">ModelInformation::ModelTransform</a> <a class="code" href="class_ogre__gl_t_f_1_1model_converter.html#ae2a3346605a5c88a5b1299bf936505ac">modelConverter::getTransform</a>()</div><div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;{</div><div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;    <a class="code" href="struct_ogre__gl_t_f_1_1_model_information_1_1_model_transform.html">ModelInformation::ModelTransform</a> trans;</div><div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;    std::array&lt;float, 3&gt; translation { 0 }, scale { 0 };</div><div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;    std::array&lt;float, 4&gt; rotation { 0 };</div><div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;    std::array&lt;float, 4 * 4&gt; local_matrix { 0 };</div><div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;    <span class="keywordtype">bool</span> <span class="keyword">set</span> = <span class="keyword">false</span>;</div><div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;</div><div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;    <span class="comment">// Just get the first one - not sure if there can be more for a model but doubt it</span></div><div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;    <span class="keyword">const</span> <span class="keyword">auto</span>&amp; nodes = (model.defaultScene != 0 ? model.nodes[model.scenes[model.defaultScene].nodes[0]] : model.nodes[0]);</div><div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;    <span class="keywordflow">if</span>(!nodes.translation.empty())</div><div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;    {</div><div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;        internal_utils::container_double_to_float(nodes.translation, translation);</div><div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;        trans.position = Ogre::Vector3 { translation.data() };</div><div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;        <span class="keyword">set</span>       = <span class="keyword">true</span>;</div><div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;    }</div><div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;    <span class="keywordflow">if</span>(!nodes.scale.empty())</div><div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;    {</div><div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;        internal_utils::container_double_to_float(nodes.scale, scale);</div><div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;        trans.scale = Ogre::Vector3 { scale.data() };</div><div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;        <span class="keyword">set</span>         = <span class="keyword">true</span>;</div><div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;    }</div><div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;    <span class="keywordflow">if</span>(!nodes.rotation.empty())</div><div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;    {</div><div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;        internal_utils::container_double_to_float(nodes.rotation, rotation);</div><div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;        trans.orientation = Ogre::Quaternion { rotation[3], rotation[0], rotation[1], rotation[2] };</div><div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;        <span class="keyword">set</span>       = <span class="keyword">true</span>;</div><div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;    }</div><div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;</div><div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;    <span class="keywordflow">if</span>(!<span class="keyword">set</span> &amp;&amp; !nodes.matrix.empty())</div><div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;    {</div><div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;        internal_utils::container_double_to_float(nodes.matrix, local_matrix);</div><div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;        Ogre::Matrix4 transform_matrix { local_matrix.data() };</div><div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;</div><div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;        transform_matrix.transpose().decomposition(trans.position, trans.scale, trans.orientation);</div><div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;    }</div><div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;</div><div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;    <span class="keywordflow">return</span> trans;</div><div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;}</div><div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;</div><div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;Ogre::VaoManager* modelConverter::getVaoManager()</div><div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;{</div><div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;    <span class="comment">//Our class shouldn&#39;t be able to exist if Ogre hasn&#39;t been initalized with a valid render system. This call should allways succeed.</span></div><div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;    <span class="keywordflow">return</span> Ogre::Root::getSingletonPtr()-&gt;getRenderSystem()-&gt;getVaoManager();</div><div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;}</div><div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;</div><div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;Ogre::IndexBufferPacked* modelConverter::extractIndexBuffer(<span class="keywordtype">int</span> accessorID)<span class="keyword"> const</span></div><div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;<span class="keyword"></span>{</div><div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;    OgreLog(<span class="stringliteral">&quot;Extracting index buffer&quot;</span>);</div><div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;    <span class="keyword">const</span> <span class="keyword">auto</span>&amp; accessor   = model.accessors[accessorID];</div><div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;    <span class="keyword">const</span> <span class="keyword">auto</span>&amp; bufferView = model.bufferViews[accessor.bufferView];</div><div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;    <span class="keyword">auto</span>&amp; buffer           = model.buffers[bufferView.buffer];</div><div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;    <span class="keyword">const</span> <span class="keyword">auto</span> byteStride  = accessor.ByteStride(bufferView);</div><div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;    <span class="keyword">const</span> <span class="keyword">auto</span> indexCount  = accessor.count;</div><div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;    Ogre::IndexBufferPacked::IndexType type;</div><div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;</div><div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;    <span class="keywordflow">if</span>(byteStride &lt; 0) <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">&quot;Can&#39;t get valid bytestride from accessor and bufferview. Loading data not possible&quot;</span>);</div><div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;</div><div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;    <span class="keyword">auto</span> convertTo16Bit { <span class="keyword">false</span> };</div><div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;    <span class="keywordflow">switch</span>(accessor.componentType)</div><div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;    {</div><div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;        <span class="keywordflow">default</span>: <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">&quot;Unrecognized index data format&quot;</span>);</div><div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;        <span class="keywordflow">case</span> TINYGLTF_COMPONENT_TYPE_BYTE:</div><div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;        <span class="keywordflow">case</span> TINYGLTF_COMPONENT_TYPE_UNSIGNED_BYTE: convertTo16Bit = <span class="keyword">true</span>;</div><div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;        <span class="keywordflow">case</span> TINYGLTF_COMPONENT_TYPE_SHORT:</div><div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;        <span class="keywordflow">case</span> TINYGLTF_COMPONENT_TYPE_UNSIGNED_SHORT:</div><div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;        {</div><div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;            type            = Ogre::IndexBufferPacked::IT_16BIT;</div><div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;            <span class="keyword">auto</span> geomBuffer = <a class="code" href="class_ogre__gl_t_f_1_1geometry_buffer.html">geometryBuffer&lt;Ogre::uint16&gt;</a>(indexCount);</div><div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;            <span class="keywordflow">if</span>(convertTo16Bit)</div><div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;                loadIndexBuffer(geomBuffer.data(), buffer.data.data(), indexCount, bufferView.byteOffset + accessor.byteOffset, byteStride);</div><div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;            <span class="keywordflow">else</span></div><div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;                loadIndexBuffer(geomBuffer.data(),</div><div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;                                <span class="keyword">reinterpret_cast&lt;</span>Ogre::uint16*<span class="keyword">&gt;</span>(buffer.data.data()),</div><div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;                                indexCount,</div><div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;                                bufferView.byteOffset + accessor.byteOffset,</div><div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;                                byteStride);</div><div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;            <span class="keywordflow">return</span> getVaoManager()-&gt;createIndexBuffer(type, indexCount, Ogre::BT_IMMUTABLE, geomBuffer.dataAddress(), <span class="keyword">false</span>);</div><div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;        }</div><div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;        <span class="keywordflow">case</span> TINYGLTF_COMPONENT_TYPE_INT:;</div><div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;        <span class="keywordflow">case</span> TINYGLTF_COMPONENT_TYPE_UNSIGNED_INT:</div><div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;        {</div><div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;            type            = Ogre::IndexBufferPacked::IT_32BIT;</div><div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;            <span class="keyword">auto</span> geomBuffer = <a class="code" href="class_ogre__gl_t_f_1_1geometry_buffer.html">geometryBuffer&lt;Ogre::uint32&gt;</a>(indexCount);</div><div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;            loadIndexBuffer(</div><div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;                geomBuffer.data(), <span class="keyword">reinterpret_cast&lt;</span>Ogre::uint32*<span class="keyword">&gt;</span>(buffer.data.data()), indexCount, bufferView.byteOffset + accessor.byteOffset, byteStride);</div><div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;            <span class="keywordflow">return</span> getVaoManager()-&gt;createIndexBuffer(type, indexCount, Ogre::BT_IMMUTABLE, geomBuffer.dataAddress(), <span class="keyword">false</span>);</div><div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;        }</div><div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;    }</div><div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;}</div><div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;</div><div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;<span class="keywordtype">size_t</span> modelConverter::getVertexBufferElementsPerVertexCount(<span class="keywordtype">int</span> type)</div><div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;{</div><div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;    <span class="keywordflow">switch</span>(type)</div><div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;    {</div><div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;        <span class="keywordflow">case</span> TINYGLTF_TYPE_VEC2: <span class="keywordflow">return</span> 2;</div><div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;        <span class="keywordflow">case</span> TINYGLTF_TYPE_VEC3: <span class="keywordflow">return</span> 3;</div><div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;        <span class="keywordflow">case</span> TINYGLTF_TYPE_VEC4: <span class="keywordflow">return</span> 4;</div><div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;        <span class="keywordflow">default</span>: <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;    }</div><div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;}</div><div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;</div><div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;Ogre::VertexElementSemantic modelConverter::getVertexElementScemantic(<span class="keyword">const</span> std::string&amp; type)</div><div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;{</div><div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;    <span class="keywordflow">if</span>(type == <span class="stringliteral">&quot;POSITION&quot;</span>) <span class="keywordflow">return</span> Ogre::VES_POSITION;</div><div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;    <span class="keywordflow">if</span>(type == <span class="stringliteral">&quot;NORMAL&quot;</span>) <span class="keywordflow">return</span> Ogre::VES_NORMAL;</div><div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;    <span class="keywordflow">if</span>(type == <span class="stringliteral">&quot;TANGENT&quot;</span>) <span class="keywordflow">return</span> Ogre::VES_TANGENT;</div><div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;    <span class="keywordflow">if</span>(type == <span class="stringliteral">&quot;TEXCOORD_0&quot;</span>) <span class="keywordflow">return</span> Ogre::VES_TEXTURE_COORDINATES;</div><div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;    <span class="keywordflow">if</span>(type == <span class="stringliteral">&quot;TEXCOORD_1&quot;</span>) <span class="keywordflow">return</span> Ogre::VES_TEXTURE_COORDINATES;</div><div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;    <span class="keywordflow">if</span>(type == <span class="stringliteral">&quot;COLOR_0&quot;</span>) <span class="keywordflow">return</span> Ogre::VES_DIFFUSE;</div><div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;    <span class="keywordflow">if</span>(type == <span class="stringliteral">&quot;JOINTS_0&quot;</span>) <span class="keywordflow">return</span> Ogre::VES_BLEND_INDICES;</div><div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;    <span class="keywordflow">if</span>(type == <span class="stringliteral">&quot;WEIGHTS_0&quot;</span>) <span class="keywordflow">return</span> Ogre::VES_BLEND_WEIGHTS;</div><div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;    <span class="keywordflow">return</span> Ogre::VES_COUNT; <span class="comment">//Returning this means returning &quot;invalid&quot; here</span></div><div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;}</div><div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;</div><div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;<a class="code" href="struct_ogre__gl_t_f_1_1vertex_buffer_part.html">vertexBufferPart</a> modelConverter::extractVertexBuffer(<span class="keyword">const</span> std::pair&lt;std::string, int&gt;&amp; attribute, Ogre::Aabb&amp; boundingBox)<span class="keyword"> const</span></div><div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;<span class="keyword"></span>{</div><div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;    <span class="keyword">const</span> <span class="keyword">auto</span> elementScemantic         = getVertexElementScemantic(attribute.first);</div><div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;    <span class="keyword">const</span> <span class="keyword">auto</span>&amp; accessor                = model.accessors[attribute.second];</div><div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;    <span class="keyword">const</span> <span class="keyword">auto</span>&amp; bufferView              = model.bufferViews[accessor.bufferView];</div><div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;    <span class="keyword">const</span> <span class="keyword">auto</span>&amp; buffer                  = model.buffers[bufferView.buffer];</div><div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;    <span class="keyword">const</span> <span class="keyword">auto</span> vertexBufferByteLen      = bufferView.byteLength;</div><div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;    <span class="keyword">const</span> <span class="keyword">auto</span> numberOfElementPerVertex = getVertexBufferElementsPerVertexCount(accessor.type);</div><div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;    <span class="keyword">const</span> <span class="keyword">auto</span> elementOffsetInBuffer    = bufferView.byteOffset + accessor.byteOffset;</div><div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;    <span class="keywordtype">size_t</span> bufferLenghtInBufferBasicType { 0 };</div><div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;</div><div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;    std::unique_ptr&lt;geometryBuffer_base&gt; geomBuffer { <span class="keyword">nullptr</span> };</div><div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;    Ogre::VertexElementType elementType {};</div><div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;</div><div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;    <span class="keywordflow">switch</span>(accessor.componentType)</div><div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;    {</div><div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;        <span class="keywordflow">case</span> TINYGLTF_COMPONENT_TYPE_DOUBLE: <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">&quot;Double pressision not implemented!&quot;</span>);</div><div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;        <span class="keywordflow">case</span> TINYGLTF_COMPONENT_TYPE_FLOAT:</div><div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;            bufferLenghtInBufferBasicType = (vertexBufferByteLen / <span class="keyword">sizeof</span>(float));</div><div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;            geomBuffer                    = std::make_unique&lt;geometryBuffer&lt;float&gt;&gt;(bufferLenghtInBufferBasicType);</div><div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;            <span class="keywordflow">if</span>(numberOfElementPerVertex == 2) elementType = Ogre::VET_FLOAT2;</div><div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;            <span class="keywordflow">if</span>(numberOfElementPerVertex == 3) elementType = Ogre::VET_FLOAT3;</div><div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;            <span class="keywordflow">if</span>(numberOfElementPerVertex == 4) elementType = Ogre::VET_FLOAT4;</div><div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;            <span class="keywordflow">break</span>;</div><div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;        <span class="keywordflow">case</span> TINYGLTF_COMPONENT_TYPE_UNSIGNED_SHORT:</div><div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;            bufferLenghtInBufferBasicType = (vertexBufferByteLen / <span class="keyword">sizeof</span>(<span class="keywordtype">unsigned</span> short));</div><div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;            geomBuffer                    = std::make_unique&lt;geometryBuffer&lt;unsigned short&gt;&gt;(bufferLenghtInBufferBasicType);</div><div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;            <span class="keywordflow">if</span>(numberOfElementPerVertex == 2) elementType = Ogre::VET_USHORT2;</div><div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;            <span class="keywordflow">if</span>(numberOfElementPerVertex == 4) elementType = Ogre::VET_USHORT4;</div><div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;            <span class="keywordflow">break</span>;</div><div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;        <span class="keywordflow">default</span>: <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">&quot;Unrecognized vertex buffer coponent type&quot;</span>);</div><div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;    }</div><div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;</div><div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;    <span class="comment">//if(bufferView.byteStride == 0)</span></div><div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;    <span class="comment">//  OgreLog(&quot;Vertex buffer is &#39;tightly packed&#39;&quot;);</span></div><div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;</div><div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;    <span class="keyword">const</span> <span class="keyword">auto</span> byteStride                 = accessor.ByteStride(bufferView);</div><div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;    <span class="keyword">const</span> <span class="keyword">auto</span> vertexCount                = accessor.count;</div><div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;    <span class="keyword">const</span> <span class="keyword">auto</span> vertexElementLenghtInBytes = numberOfElementPerVertex * geomBuffer-&gt;elementSize();</div><div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;</div><div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;    <span class="keywordflow">if</span>(byteStride &lt; 0) <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">&quot;Can&#39;t get valid bytestride from accessor and bufferview. Loading data not possible&quot;</span>);</div><div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;</div><div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;    <span class="comment">//OgreLog(&quot;A vertex element on this buffer is &quot; + std::to_string(vertexElementLenghtInBytes) + &quot; bytes long&quot;);</span></div><div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;    <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> vertexIndex = 0; vertexIndex &lt; vertexCount; vertexIndex++)</div><div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;    {</div><div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;        <span class="keyword">const</span> <span class="keyword">auto</span> destOffset   = vertexIndex * vertexElementLenghtInBytes;</div><div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;        <span class="keyword">const</span> <span class="keyword">auto</span> sourceOffset = elementOffsetInBuffer + vertexIndex * byteStride;</div><div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;</div><div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;        memcpy((geomBuffer-&gt;dataAddress() + destOffset), (buffer.data.data() + sourceOffset), vertexElementLenghtInBytes);</div><div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;    }</div><div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;</div><div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;    <span class="comment">//Update the bounding sizes once, when vertex positions has been read.</span></div><div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;    <span class="keywordflow">if</span>(elementScemantic == Ogre::VES_POSITION)</div><div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;    {</div><div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;        <span class="comment">//Convert to float and load into Ogre::Vector3 objects</span></div><div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;        std::array&lt;float, 3&gt; floatVector {};</div><div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;        internal_utils::container_double_to_float(accessor.minValues, floatVector);</div><div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;        <span class="keyword">const</span> Ogre::Vector3 minBounds { floatVector.data() };</div><div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;        internal_utils::container_double_to_float(accessor.maxValues, floatVector);</div><div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;        <span class="keyword">const</span> Ogre::Vector3 maxBounds { floatVector.data() };</div><div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;</div><div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;        OgreLog(<span class="stringliteral">&quot;Updating bounding box size: &quot;</span>);</div><div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;        OgreLog(<span class="stringliteral">&quot;Setting Min size: &quot;</span> + std::to_string(minBounds.x) + <span class="stringliteral">&quot; &quot;</span> + std::to_string(minBounds.y) + <span class="stringliteral">&quot; &quot;</span> + std::to_string(minBounds.z));</div><div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;        OgreLog(<span class="stringliteral">&quot;Setting Max size: &quot;</span> + std::to_string(maxBounds.x) + <span class="stringliteral">&quot; &quot;</span> + std::to_string(maxBounds.y) + <span class="stringliteral">&quot; &quot;</span> + std::to_string(maxBounds.z));</div><div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;        boundingBox.merge(Ogre::Aabb(minBounds, maxBounds));</div><div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;    }</div><div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;</div><div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;    <span class="comment">//geometryBuffer-&gt;_debugContentToLog();</span></div><div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;    <span class="keywordflow">return</span> { std::move(geomBuffer), elementType, elementScemantic, vertexCount, numberOfElementPerVertex };</div><div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;}</div><div class="ttc" id="struct_ogre__gl_t_f_1_1vertex_buffer_part_html_a35944dc7e5c6373ca77971f51108c039"><div class="ttname"><a href="struct_ogre__gl_t_f_1_1vertex_buffer_part.html#a35944dc7e5c6373ca77971f51108c039">Ogre_glTF::vertexBufferPart::perVertex</a></div><div class="ttdeci">size_t perVertex</div><div class="ttdoc">Number of &quot;basic elements&quot; that constitute a vertex (2x for a 2D vector, 3x for a 3D vector...</div><div class="ttdef"><b>Definition:</b> <a href="_ogre__gl_t_f__model_converter_8hpp_source.html#l00135">Ogre_glTF_modelConverter.hpp:135</a></div></div>
<div class="ttc" id="class_ogre__gl_t_f_1_1geometry_buffer_html"><div class="ttname"><a href="class_ogre__gl_t_f_1_1geometry_buffer.html">Ogre_glTF::geometryBuffer</a></div><div class="ttdef"><b>Definition:</b> <a href="_ogre__gl_t_f__model_converter_8hpp_source.html#l00048">Ogre_glTF_modelConverter.hpp:48</a></div></div>
<div class="ttc" id="struct_ogre__gl_t_f_1_1vertex_buffer_part_html_a98ef963b3dfb316b2f833f913aaa2fd3"><div class="ttname"><a href="struct_ogre__gl_t_f_1_1vertex_buffer_part.html#a98ef963b3dfb316b2f833f913aaa2fd3">Ogre_glTF::vertexBufferPart::getPartStride</a></div><div class="ttdeci">size_t getPartStride() const</div><div class="ttdoc">Get the number of bytes for the data stride. </div><div class="ttdef"><b>Definition:</b> <a href="_ogre__gl_t_f__model_converter_8cpp_source.html#l00010">Ogre_glTF_modelConverter.cpp:10</a></div></div>
<div class="ttc" id="struct_ogre__gl_t_f_1_1vertex_buffer_part_html"><div class="ttname"><a href="struct_ogre__gl_t_f_1_1vertex_buffer_part.html">Ogre_glTF::vertexBufferPart</a></div><div class="ttdef"><b>Definition:</b> <a href="_ogre__gl_t_f__model_converter_8hpp_source.html#l00120">Ogre_glTF_modelConverter.hpp:120</a></div></div>
<div class="ttc" id="class_ogre__gl_t_f_1_1model_converter_html_ac68f5a0170dfce085252327664db3b4e"><div class="ttname"><a href="class_ogre__gl_t_f_1_1model_converter.html#ac68f5a0170dfce085252327664db3b4e">Ogre_glTF::modelConverter::modelConverter</a></div><div class="ttdeci">modelConverter(tinygltf::Model &amp;input)</div><div class="ttdef"><b>Definition:</b> <a href="_ogre__gl_t_f__model_converter_8cpp_source.html#l00012">Ogre_glTF_modelConverter.cpp:12</a></div></div>
<div class="ttc" id="struct_ogre__gl_t_f_1_1vertex_buffer_part_html_a2dc9b040e759fa3523a2abd19c4f9aed"><div class="ttname"><a href="struct_ogre__gl_t_f_1_1vertex_buffer_part.html#a2dc9b040e759fa3523a2abd19c4f9aed">Ogre_glTF::vertexBufferPart::semantic</a></div><div class="ttdeci">Ogre::VertexElementSemantic semantic</div><div class="ttdoc">The semantic of the vertex data in this part of the buffer (normal, position, texture coordinates...</div><div class="ttdef"><b>Definition:</b> <a href="_ogre__gl_t_f__model_converter_8hpp_source.html#l00129">Ogre_glTF_modelConverter.hpp:129</a></div></div>
<div class="ttc" id="class_ogre__gl_t_f_1_1model_converter_html_aa1b3645f13f01f0cbc2c5a301579806e"><div class="ttname"><a href="class_ogre__gl_t_f_1_1model_converter.html#aa1b3645f13f01f0cbc2c5a301579806e">Ogre_glTF::modelConverter::getOgreMesh</a></div><div class="ttdeci">Ogre::MeshPtr getOgreMesh()</div><div class="ttdoc">Return a mesh generated from the data inside the gltf model. Currently look for the mesh attached on ...</div><div class="ttdef"><b>Definition:</b> <a href="_ogre__gl_t_f__model_converter_8cpp_source.html#l00061">Ogre_glTF_modelConverter.cpp:61</a></div></div>
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<div class="ttc" id="struct_ogre__gl_t_f_1_1vertex_buffer_part_html_a281c887ec55e59d05b6f9ed003495947"><div class="ttname"><a href="struct_ogre__gl_t_f_1_1vertex_buffer_part.html#a281c887ec55e59d05b6f9ed003495947">Ogre_glTF::vertexBufferPart::vertexCount</a></div><div class="ttdeci">size_t vertexCount</div><div class="ttdoc">Number of vertices on this buffer. </div><div class="ttdef"><b>Definition:</b> <a href="_ogre__gl_t_f__model_converter_8hpp_source.html#l00132">Ogre_glTF_modelConverter.hpp:132</a></div></div>
<div class="ttc" id="struct_ogre__gl_t_f_1_1_model_information_1_1_model_transform_html"><div class="ttname"><a href="struct_ogre__gl_t_f_1_1_model_information_1_1_model_transform.html">Ogre_glTF::ModelInformation::ModelTransform</a></div><div class="ttdoc">Local transform on the glTF node this model came from. </div><div class="ttdef"><b>Definition:</b> <a href="_ogre__gl_t_f_8hpp_source.html#l00032">Ogre_glTF.hpp:32</a></div></div>
<div class="ttc" id="class_ogre__gl_t_f_1_1model_converter_html_a36b8c17a4cb9659f18b4d1694d890d8e"><div class="ttname"><a href="class_ogre__gl_t_f_1_1model_converter.html#a36b8c17a4cb9659f18b4d1694d890d8e">Ogre_glTF::modelConverter::debugDump</a></div><div class="ttdeci">void debugDump() const</div><div class="ttdoc">Print out debug information on the model structure. </div><div class="ttdef"><b>Definition:</b> <a href="_ogre__gl_t_f__model_converter_8cpp_source.html#l00179">Ogre_glTF_modelConverter.cpp:179</a></div></div>
<div class="ttc" id="namespace_ogre__gl_t_f_html"><div class="ttname"><a href="namespace_ogre__gl_t_f.html">Ogre_glTF</a></div><div class="ttdef"><b>Definition:</b> <a href="_ogre__gl_t_f__internal__utils_8hpp_source.html#l00005">Ogre_glTF_internal_utils.hpp:5</a></div></div>
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